{
    "id": "CVE-2012-0830",
    "published": "2012-02-06 20:55:03",
    "last_modified": "2026-06-16 23:38:20",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-399",
    "description": "The php_register_variable_ex function in php_variables.c in PHP 5.3.9 allows remote attackers to execute arbitrary code via a request containing a large number of variables, related to improper handling of array variables.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-4885.",
    "epss_score": "0.29803",
    "epss_percentile": "0.98145",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:10",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "php",
            "product": "php"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "18460",
            "title": "PHP 5.4.0RC6 (x64) - Denial of Service",
            "date": "2012-02-04",
            "url": "https://www.exploit-db.com/exploits/18460"
        }
    ],
    "refs_list": [
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041",
        "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html",
        "http://marc.info/?l=bugtraq&m=134012830914727&w=2",
        "http://openwall.com/lists/oss-security/2012/02/02/12",
        "http://openwall.com/lists/oss-security/2012/02/03/1",
        "http://rhn.redhat.com/errata/RHSA-2012-0092.html",
        "http://secunia.com/advisories/47801",
        "http://secunia.com/advisories/47806",
        "http://secunia.com/advisories/47813",
        "http://secunia.com/advisories/48668",
        "http://securitytracker.com/id?1026631",
        "http://support.apple.com/kb/HT5281",
        "http://svn.php.net/viewvc?view=revision&revision=323007",
        "http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/",
        "http://www.debian.org/security/2012/dsa-2403",
        "http://www.h-online.com/security/news/item/Critical-PHP-vulnerability-being-fixed-1427316.html",
        "http://www.osvdb.org/78819",
        "http://www.php.net/ChangeLog-5.php#5.3.10",
        "http://www.securityfocus.com/bid/51830",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/72911",
        "https://gist.github.com/1725489",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041",
        "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"
    ]
}